Update RegExp syntax link to RE2

See merge request gitlab-org/gitlab-ce!27090

CI ref pattern matching now uses RE2 instead of Ruby.
See
https://about.gitlab.com/2019/04/01/security-release-gitlab-11-dot-9-dot-4-released/ for more information.

Track issues to epics promotions

Closes #8920

See merge request gitlab-org/gitlab-ee!10537

Resolve "Weight trainee maintainers higher in reviewer roulette"

Closes #60035

See merge request gitlab-org/gitlab-ce!27043

Extract create merge request quick action spec

Closes #59570

See merge request gitlab-org/gitlab-ce!26914

Remove extra line in `spec/models/merge_request_spec.rb`

Closes #6664

See merge request gitlab-org/gitlab-ee!10589

Merge branch '6519-extract-ee-specific-files-lines-for-spec-services-projects-update_service_spec-rb' into 'master'

Extract EE lines for spec/services/projects/update_service_spec.rb

Closes #6519

See merge request gitlab-org/gitlab-ee!10583

Extract EE specific files/lines for spec/views

Closes #6535

See merge request gitlab-org/gitlab-ee!10581

Extract w-i-p quick action to a shared example

Closes #59570

See merge request gitlab-org/gitlab-ce!26923

Extract duplicate quick action spec to a shared example

Closes #59570

See merge request gitlab-org/gitlab-ce!26912

Add touch events for diff viewers

Closes #60006

See merge request gitlab-org/gitlab-ce!26971

Safari on iOS sort of figures out the right thing here, but other
browsers need a specific touch to be referenced.

This makes it work on Chrome and Firefox on Android, as well as
Chrome DevTools mobile device view.

Remove EE-specic parts from issue_card_spec.js

Closes #10503

See merge request gitlab-org/gitlab-ee!10620

Migrate clusters tests to jest

Closes #58981

See merge request gitlab-org/gitlab-ce!27013

Move cluster applications manager tests from karma to jest. Fixes
some migration issues related with timeouts, and HTTP request
expectations.

Add `white-space: nowrap` to all buttons

Closes #60116

See merge request gitlab-org/gitlab-ce!27069

Enable Gitaly FindCommit caching for TreeController

See merge request gitlab-org/gitlab-ce!27100

CE Improve project merge request settings

See merge request gitlab-org/gitlab-ce!26495

Improve project merge request settings

See merge request gitlab-org/gitlab-ee!10366

Update dependency @gitlab/ui to ^3.2.0

See merge request gitlab-org/gitlab-ce!27077

CE Move serverless karma specs to jest

Closes #60154

See merge request gitlab-org/gitlab-ce!27085

Move serverless karma specs to jest

Closes gitlab-ce#60154

See merge request gitlab-org/gitlab-ee!10634

Accessing /namespace/project/tree/master appears to query
FindCommit 5 times with identical parameters. This reduces
the number of FindCommit queries to 1.

Docs: Fix misc anchors

See merge request gitlab-org/gitlab-ce!27088

Docs: Fix two anchors in EE docs

See merge request gitlab-org/gitlab-ee!10635

Docs: Fix anchors related to environments doc

See merge request gitlab-org/gitlab-ce!27082